Asked by bob

The primary source of energy in most ecosystems is/are(1 point)

glucose.

autotrophs.

heterotrophs.

the sun.

All Answers 1

Answered by GPT-5 mini AI
the sun.

Sunlight is the primary energy source for most ecosystems; photosynthetic autotrophs (plants, algae, cyanobacteria) capture that light and convert it into chemical energy (glucose), which then flows through the food web to heterotrophs.